Automatic lock-binder.



No. 664,325. 4 Patented Dec. 25, !900.

E. A. TRUSSELL.

AUTOMATIC LDCK BINDER. (Application filed Apr. 7, 190. (Hu Model.)

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EMORY A. TRUSSELL, OF ST. LOUIS, MISSOURL ASSIGNOR TO THE SIEBER &a TBUSSELL MANUFACTURING COMPANY, OF SAME PLACE.

AUTOVJATIC LOCK-BINDER.

SPECIFICATION forming part of Letters Patents No. 664,825, dated December 25, 1900.

Application filed April '7, 1900. Serial No. 11,972. (No model.)

To all whom i may conc rn: of said plate beside each spring 11 are notches Be it known that I, EMORY A. TRUSSELL, a 13. (See Figs. II and III.) The clutch-levers citizen of the United States, residing at the 15 are formed with forks 16 at their outer city of St. Louis,in the State of Missouri,have ends adapted to engage the posts 3. Each 55 invented certain new and useful Improveclutch-leveris provided withahandle 17,'proinents in Automatic Lock-Binders, of which jecting at an angle to the clutching end of the following is a full, clear, and exact dethe lever from the heel18. Projecting from soription, reference being had to the accomthe edges of the clutch-levers are spurs 19, pan ying drawings, forming part of this specilocated at the heels 18, said Spurs being deoo Io tication. `signed to fit under the edges of the plate 8 My invention relates to a binding device above the springs ll and confine the levers for oonning and holding a series of loose to said plate. The spurs 19 fit in the rear of sheets of paper. the depressions 12, in which position they are The invention consists in features of novheld from escape by the depressed portion of 65 elty hereinafter fully described, and pointed the plate.

out in the claim. In applying the clutch-levers the springs Figure 1 is a perspective view of my im- 11 are pressed downwardly and the levers are proved binder. Fig. lI is a cross-sectional inserted into the openings formed by cutting view taken on the line II II, Fig. I. Fig. III out the spring 11, one of the spurs 19 of each 70 2o is an enlarged detail view of a fragment of lever being passed under the edge of the plate the top board of the binder with the clutchopposite that containing the notch 13, with lever removed. Fig. IV is a cross-sectional the heel 18 bearing against the spring. The View taken on the line IV IV, Fig. III. Fig. other spor 18 is then passed through the V is an enlarged perspective View of one of notch 13 and the lever is moved inwardly to 75 the clutch-levers. carry the spurs past the depressions 12,where The binder is constructed with the usual they are held from accidental escape. The bottom board, provided. with a fiexible hinge heels 18 of the levers are thus moved to the 2, and two posts 3, having notches 4 at their ends of the springs 11 and rest upon said upper ends. springs. &Vith the levers in such position 80 5 is the top board, having a fleXible hinge 6 the outer free ends are in position to engage and provided with apertures 7, adapted to rethe posts 3 by reason of the forks 16 stradceive the posts 3 when the top and bottom dling said posts, and the cover-boards are boards are assembled. therefore held firmly together, confining the 8 designates a plate secured to the top board papers between them. 5 and having a downturned edge 9 throughout When it is desired to remove the top board,

its extent seated upon the top board 5, so the handles 17 of the two clutch-levers are that the body of the plate is elevated from grasped by the thumb and finger and moved the board, as seen in Figs. II and IV. The toward each other, in which operation the i plate is Secured to the board by any suitable forked ends of the levers are removed from 90 means, such as screws 10, and is provided engagement with the posts 3, so that the top with apertures S coinciding with the aperboard may be lifted by the handles 17 and retures 7. moved from the posts. In replacing the top 11 designates springs that are struck from board it is only necessary to pass the posts the plate 8, one end of each spring remaining through the apertures 7 and 8 in the top 95 intact with the plate and the opposite end of board and plate 8, when a downward pressure each spring being free. The cutting out of upon the board will cause it to descend on the springs 11 provides openings for the plate the posts. The notches 4 in the upper ends that receive the heels of the post engaging of the posts are intended, as is nsual in this clutch-levers 15, hereinafter referred to. In class of binder, to receive the engagement of roo the edges of the plate at the free ends of the the clutch -levers and hold them when the springs 11 are depressions 12, and in one edge binder is filled to its Capacity.

gege benea the body of said plate, said plate being provided With depressed portions,

said depressed portions of the plate being' adapted to confine said Spurs, substantally E as described.

EMORY A. TRUSSELL.

In presence of CHAS. SIEBER, OAMPBELL DAWSON. 

